diff --git a/docs/about.rst b/docs/about.rst
index 97897c530682a2ae179ecf89c9ca527c39d1f5f8..65124907f3c8dbf896834289e2ad624322e3c8a4 100644
--- a/docs/about.rst
+++ b/docs/about.rst
@@ -15,7 +15,7 @@ Roles are written for use with *Debian GNU/Linux*. For more details on
 supported releases, see :ref:`rolereference`.
 
 At the moment, the roles have been written for and tested against **Ansible
-10.3.x**.
+10.4.x**.
 
 The roles also utilise the ``ipv4/ipv6`` lookup plugins which require
 ``netaddr`` package to be installed. The ``passlib`` package is used